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kasli_generic: support external reference on masters

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This commit is contained in:
Robert Jördens 2019-11-29 18:46:27 +00:00
parent eb271f383b
commit 86e1924493
1 changed files with 4 additions and 0 deletions
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4
artiq/gateware/targets/kasli_generic.py
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@ -162,6 +162,10 @@ class GenericMaster(MasterBase):
rtio_clk_freq=description.get("rtio_frequency", 125e6),
enable_sata=description.get("enable_sata_drtio", False),
**kwargs)
if "ext_ref_frequency" in description:
self.config["SI5324_EXT_REF"] = None
self.config["EXT_REF_FREQUENCY"] = "{:.1f}".format(
description["ext_ref_frequency"]/1e6)
if hw_rev == "v1.0":
# EEM clock fan-out from Si5324, not MMCX
self.comb += self.platform.request("clk_sel").eq(1)